> In a SELECT I have to convert a string into a number.
>
> I used to use something like 'string'+0, where 'string' is a string
> rapresentation of an integer.
>
> Now I noticed that in many cases it returns a rounded floating point!!!
>
> For example:
>
> mysql> select '11'+0;
> +-----------------+
> | '11'+0 |
> +-----------------+
> | 10.999999046326 |
> +-----------------+
> 1 row in set (0.00 sec)
>
>
> Is it normal? Or it happens only in my system? (OpenBSD 2.8 i386)
>
> What is the best (more efficient) way to convert an integer string to an
> integer value?
ROUND('number') (?)
/ Carsten
--
Carsten H. Pedersen
keeper and maintainer of the bitbybit.dk MySQL FAQ
http://www.bitbybit.dk/mysqlfaq
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